Recommended Cable Sizes for 400 V
 DANGER |
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hazard of electric shock, explosion, or arc flash
All wiring must comply with all applicable national and/or electrical codes.
Failure to follow these instructions will result in death or serious injury.
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NOTE: Overcurrent protection is to be provided by others.
Cable sizes in this manual are based on table B.52.5 of IEC 60364-5-52 with the following assertions:
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90 °C conductors
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An ambient temperature of 30 °C
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Use of copper conductors
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Installation method C
If the ambient temperature is greater than 30 °C, larger conductors are to be selected in accordance with the correction factors of the IEC.
Cable Size for Cables Between UPS and Battery Breaker for Easy UPS 3M
| Battery breaker boxes | Connection | 60 kVA | 80 kVA | 100 kVA | 120 kVA | 160 kVA | 200 kVA |
|---|---|---|---|---|---|---|---|
| 1xE3MBBB60K80H | DC+, N, DC- (mm²) | 50 | 70 | – | – | – | – |
| PE (mm²) | 25 | 35 | – | – | – | – | |
| 2xE3MBBB60K80H | DC+, N, DC- (mm²) | 50 | 50 | 50 | 50 | 70 | – |
| PE (mm²) | 25 | 25 | 25 | 25 | 35 | – | |
| 1xE3MBBB100K200H | DC+, N, DC- (mm²) | – | – | 2 x 70 | 2 x 70 | 2 x 95 | 2 x 120 |
| PE (mm²) | – | – | 70 | 70 | 95 | 120 | |
| 2xE3MBBB100K200H | DC+, N, DC- (mm²) | – | – | – | 150 | 150 | 150 |
| PE (mm²) | – | – | – | 95 | 95 | 95 |
Cable Size per String for Cables Between Battery Breaker and Battery Bank For Easy UPS 3M
| Number of battery strings | Connection | 60 kVA | 80 kVA | 100 kVA | 120 kVA | 160 kVA | 200 kVA |
|---|---|---|---|---|---|---|---|
| 1 battery string | Batt+, N, Batt- (mm²) | 50 | 70 | 2 x 70 | 2 x 70 | 2 x 95 | 2 x 120 |
| PE (mm²) | 25 | 35 | 70 | 70 | 95 | 120 | |
| 2 battery strings | Batt+, N, Batt- (mm²) | 25 | 35 | 70 | 70 | 95 | 120 |
| PE (mm²) | 16 | 16 | 35 | 35 | 50 | 70 | |
| 3 battery strings | Batt+, N, Batt- (mm²) | 16 | 16 | 50 | 50 | 50 | 70 |
| PE (mm²) | 16 | 16 | 25 | 25 | 25 | 35 | |
| 4 battery strings | Batt+, N, Batt- (mm²) | 16 | 16 | 35 | 35 | 35 | 50 |
| PE (mm²) | 16 | 16 | 16 | 16 | 16 | 25 |
Cable Size for Cables Between UPS and Battery Breaker for Easy UPS 3L
| Battery breaker boxes | Connection | 250 kVA | 300 kVA | 400 kVA | 500 kVA | 600 kVA |
|---|---|---|---|---|---|---|
| 1 x E3MBBB100K200H | DC+, DC- (mm²) | 2 x 120 | 2 x 120 | 2 x 120 | – | – |
| PE, N (mm²) | 120 | 120 | 120 | – | – | |
| 2 x E3MBBB100K200H | DC+, DC- (mm²) | 2 x 70 | 2 x 95 | 2 x 120 | 2 x 120 | 2 x 120 |
| PE (mm²) | 70 | 95 | 120 | 120 | 120 | |
| N (mm²) | 120 | 120 | 120 | 120 | 120 | |
| 3 x E3MBBB100K200H | DC+, DC- (mm²) | – | – | – | 2 x 120 | 2 x 120 |
| PE, N (mm²) | – | – | – | 120 | 120 |
Cable Size per String for Cables Between Battery Breaker and Battery Bank for Easy UPS 3L
| Number of battery strings* | Connection | 250 kVA | 300 kVA | 400 kVA | 500 kVA | 600 kVA |
|---|---|---|---|---|---|---|
| 1 battery string | Batt+, N, Batt- (mm²) | 2 x 120 | 2 x 120 | 2 x 120 | 2 x 120 | 2 x 120 |
| PE (mm²) | 120 | 120 | 120 | 120 | 120 | |
| 2 battery strings | Batt+, N, Batt- (mm²) | 120 | 120 | 120 | 120 | 120 |
| PE (mm²) | 70 | 70 | 70 | 70 | 70 | |
| 3 battery strings | Batt+, N, Batt- (mm²) | 70 | 70 | 70 | 70 | 70 |
| PE (mm²) | 35 | 35 | 35 | 35 | 35 | |
| 4 battery strings | Batt+, N, Batt- (mm²) | 50 | 50 | 50 | 50 | 50 |
| PE (mm²) | 25 | 25 | 25 | 25 | 25 |